Yuri, whose husband is away on long business trips, lives with her son. She worries daily about her son, who stays home all the time. One day, her friend Zuo Ci visits, saying he's starved for his mother's love in a single-parent family. Yuri accepts... However, driven by a twisted longing, he uses her gentleness to get close to her. Yuri is subjected to a relentless, intense violation, like a gorilla. She recalls the long-lost pleasure of her womb, and unknowingly...